Geology, mineralogy, petrology and geochemistry of the volcanic island of 'Ata, Tonga.

Description:

Ata is the most southerly island in a chain of young volcanic islands in the Tonga Group lying to the west of the Tonga trench. It is presently inactive and now consists of a small remnant (1.8 km2) of a large composite volcano which had at least four main centres of eruption. The lavas are mainly porphyritic basaltic andesites, with minor phenocryst - poor basalts, and are dominanted by phenoc...

Display date:

1980

Location:

Tonga

Format:

Scholarly text

Collections:

Otago University Research Archive

Contributors:

Reay, Anthony

Publisher:

University of Otago

Content partner:

University of Otago

Availability:

Not specified